Oxygen (2017)

After his family members start getting killed by some unknown enemies, Raghupati decides to get his daughter Shruti married to an NRI for her safety. Krishna Prasad, an NRI, comes to India after his marriage is fixed with Shruti and eventually wins over everyone with his kind nature and love for the culture and traditions. However, with the enemies still trying to kill Raghupati's family, Krishna is revealed to be a man on a mission against a cigarette brand in this action-thriller.